Big things are happening on TV Tropes! New admins, new designs, fewer ads, mobile versions, beta testing opportunities, thematic discovery engine, fun trope tools and toys, and much more - Learn how to help here and discuss here.
Please don't list this on a work's page as a trope. Examples can go on the work's YMMV tab.
Tear Jerker: SWAT Kats
The destruction of Cybertron, the heroes' Robot Buddy in "The Deadly Pyramid". He was supposed to get better, but they never got around to it.
The scientist said it could take years to fix him.
Also, the fact that this show may never get a revival. An interview with Lance Falk (an artist and writer for the series) confirmed that the chances of it are "zero to less than zero". DVDs are now available, albeit not remastered. Then again, Japan has made anime of The Powerpuff Girls and Lilo & Stitch, so someday there might be an anime for this too.